# CYSEC ARCA Trusted OS for Clouds vs Duality Query: side-by-side comparison (2026)

[CYSEC ARCA Trusted OS for Clouds](https://cybersectools.com/tools/cysec-arca-trusted-os-for-clouds) is a commercial [confidential computing](https://cybersectools.com/categories/confidential-computing) solution by [CYSEC](https://cybersectools.com/companies/cysec). [Duality Query](https://cybersectools.com/tools/duality-query) is a commercial [confidential computing](https://cybersectools.com/categories/confidential-computing) solution by [Duality Technologies](https://cybersectools.com/companies/duality-technologies). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | CYSEC ARCA Trusted OS for Clouds | Duality Query |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Confidential Computing | Confidential Computing |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | CYSEC | Duality Technologies |
| Headquarters | – | – |

### Use cases and capabilities

| | CYSEC ARCA Trusted OS for Clouds | Duality Query |
|---|---|---|
| Virtual Machine | Yes | – |
| Secure Boot | Yes | – |
| Hardware Security | Yes | – |
| Workload Security | Yes | – |
| Encryption | – | Yes |
| Quantum Safe | – | Yes |

### Core features

**CYSEC ARCA Trusted OS for Clouds**

7 features listed. Sign in on the page to see them.

**Duality Query**

10 features listed. Sign in on the page to see them.

### Integrations

**CYSEC ARCA Trusted OS for Clouds**

6 integrations listed. Sign in on the page to see them.

**Duality Query**

No integrations listed.

## CYSEC ARCA Trusted OS for Clouds vs Duality Query FAQ

Common questions when comparing CYSEC ARCA Trusted OS for Clouds vs Duality Query for confidential computing.

### What is the difference between CYSEC ARCA Trusted OS for Clouds and Duality Query?

**CYSEC ARCA Trusted OS for Clouds**: Hardened OS providing trusted execution environment for VMs in clouds. Built by CYSEC.

**Duality Query**: Privacy-preserving query platform using FHE to query encrypted, siloed datasets. Built by Duality Technologies.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes CYSEC ARCA Trusted OS for Clouds and Duality Query?

**CYSEC ARCA Trusted OS for Clouds** is made by CYSEC. **Duality Query** is made by Duality Technologies. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is CYSEC ARCA Trusted OS for Clouds a good alternative to Duality Query?

Often, yes. CYSEC ARCA Trusted OS for Clouds and Duality Query are both Confidential Computing products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [CYSEC ARCA Trusted OS for Clouds vs Fortaegis Silicon Platform](https://cybersectools.com/compare/cysec-arca-trusted-os-for-clouds-vs-fortaegis-silicon-platform)
- [CYSEC ARCA Trusted OS for Clouds vs enclaive Buckypaper CVMs](https://cybersectools.com/compare/cysec-arca-trusted-os-for-clouds-vs-enclaive-buckypaper-cvms)
- [CYSEC ARCA Trusted OS for Clouds vs Modelyo Sovereign Cloud](https://cybersectools.com/compare/cysec-arca-trusted-os-for-clouds-vs-modelyo-cloud)
- [Duality Query vs Fortaegis Silicon Platform](https://cybersectools.com/compare/duality-query-vs-fortaegis-silicon-platform)
- [Duality Query vs enclaive Buckypaper CVMs](https://cybersectools.com/compare/duality-query-vs-enclaive-buckypaper-cvms)
- [Duality Query vs Modelyo Sovereign Cloud](https://cybersectools.com/compare/duality-query-vs-modelyo-cloud)

## Alternatives to each

- [See all CYSEC ARCA Trusted OS for Clouds alternatives](https://cybersectools.com/alternatives/cysec-arca-trusted-os-for-clouds)
- [See all Duality Query alternatives](https://cybersectools.com/alternatives/duality-query)

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Source: https://cybersectools.com/compare/cysec-arca-trusted-os-for-clouds-vs-duality-query

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/cysec-arca-trusted-os-for-clouds.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on CYSEC ARCA Trusted OS for Clouds and Duality Query: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md